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1

I wish to find out how I can capture a kernel dump file when the VM running on Ubuntu 16.04 crashed/hanged. Below is what I have done so far.

1. I installed linux-crashdump on the VM


2. 
   

   I edited /etc/default/kdump-tools to include the line

   
   
   

   USE_KDUMP=1
   

   
   
   

   

   
   


3. The VM had been crashing/hanging frequently but I failed to obtain any dump file from /var/crash folder after I had to restart the VM through vCenter to access the VM's folder via putty.


4. The only time I can successfully retrieve a kernel dump file is when I simulate a kernel panic.

kernel

share|improve this question

edited 1 min ago

Zanna

51.2k13140243

asked 2 hours ago

Jonn HengJonn Heng

62

New contributor

Jonn Heng is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

1

I wish to find out how I can capture a kernel dump file when the VM running on Ubuntu 16.04 crashed/hanged. Below is what I have done so far.

1. I installed linux-crashdump on the VM


2. 
   

   I edited /etc/default/kdump-tools to include the line

   
   
   

   USE_KDUMP=1
   

   
   
   

   

   
   


3. The VM had been crashing/hanging frequently but I failed to obtain any dump file from /var/crash folder after I had to restart the VM through vCenter to access the VM's folder via putty.


4. The only time I can successfully retrieve a kernel dump file is when I simulate a kernel panic.

kernel

share|improve this question

edited 1 min ago

Zanna

51.2k13140243

asked 2 hours ago

Jonn HengJonn Heng

62

New contributor

Jonn Heng is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

I wish to find out how I can capture a kernel dump file when the VM running on Ubuntu 16.04 crashed/hanged. Below is what I have done so far.

1. I installed linux-crashdump on the VM


2. 
   

   I edited /etc/default/kdump-tools to include the line

   
   
   

   USE_KDUMP=1
   

   
   
   

   

   
   


3. The VM had been crashing/hanging frequently but I failed to obtain any dump file from /var/crash folder after I had to restart the VM through vCenter to access the VM's folder via putty.


4. The only time I can successfully retrieve a kernel dump file is when I simulate a kernel panic.

kernel

share|improve this question

edited 1 min ago

Zanna

51.2k13140243

asked 2 hours ago

Jonn HengJonn Heng

62

New contributor

Jonn Heng is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

edited 1 min ago

Zanna

51.2k13140243

asked 2 hours ago

Jonn HengJonn Heng

62

New contributor

Jonn Heng is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

edited 1 min ago

Zanna

51.2k13140243

asked 2 hours ago

Jonn HengJonn Heng

62

New contributor

Jonn Heng is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

edited 1 min ago

Zanna

51.2k13140243

edited 1 min ago

Zanna

51.2k13140243

asked 2 hours ago

Jonn HengJonn Heng

62

New contributor

Jonn Heng is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 2 hours ago

Jonn HengJonn Heng

62